Frequencies for first 10,000 rows of rectype variable in natlterr2001 dataset :

Record Type |      Freq.     Percent        Cum.
------------+-----------------------------------
          1 |        152        1.52        1.52
          2 |      9,848       98.48      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 22 Dec 2015